LG EV700 - Block Diagram; Overall System Block Diagram

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BLOCK DIAGRAM
POWER INPUT
100~240VAC
(50/60Hz)
Line
Filter
Degaussing
Circuit
SMPS
TRANS
(T901)
SMPS
CONTROL
(IC901)
DPM
CONTROL
CIRCUIT
160V
125V
70V
15V
12V
6.3V
5V
TILT
Control
Circuit
6.3V
15V
E
2
PROM
(IC402)
5V
OSD IC
(IC303)
H-Sync Sig
V-Sync Sig
I
2
C DATA(SDA)
I
2
C CLOCK(SCL)
VIDEO
PRE-AMP
(IC302)
Signal
Cable
R
G
B
VIDEO
MAIN AMP
(IC303)
8V REG.
(IC304)
8V
12V
CUT OFF
CONTROL
125V
8V
5V
H/V Sync Processor
( IC701 )
TDA4856
V-OUT
( IC601)
TDA4866
H-OUT
( Q706)
H-Linearity
Correction
DC/DC Converter
X-RAY
Protection
Circuit
FBT
( T701 )
Dynamic
Focus
Circuit
Auto
Beam
Limit
Vertical Blanking,
Brightness Control
- 120V
40V
6.3V
D/D Feed Back
TCO
30V
12V
160V
15V
MICOM
(IC401)
SCL / SDA
H/V Sync,
PWM Control
Sig
12V
15V
160V
DY CDT
Heater ( 6.3V )
I
2
C
I
2
C
I
2
C
H/V
Sync
G
1
Screen
Dynamic Focus
Static Focus
H.V
R/G/B
Bias
R/G/B
Contrast
H-DRV
B-DRV
B+
15V
TILT
COIL
DEGAUSSING
COIL
I
2
C
VOLTAGE
FEEDBACK
12V
CONTRAST
BRIGHTNESS
H-SIZE
H-POSITION
V-SIZE
V-POSITION
S-PCC
TRAP
DEGAUSS
RECALL
ADVANCED OPTION
COLOR
LANGUAGE
INFORMATION
OSD POSITION
EXIT
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